The present invention relates to a stabilizer for vaccine compositions comprising one or more live attenuated flaviviruses, to a bulk vaccine composition stabilized with this stabilizer, particularly a dry vaccine composition prepared from this bulk vaccine composition, and to a method for stabilizing one or more live attenuated flaviviruses.本發明係關於一種用於包含一或多種減毒活黃病毒屬(flaviviruses)之疫苗組合物之安定劑,一種由該安定劑安定的疫苗原液組合物,特定言之一種由該疫苗原液組合物製備之乾疫苗組合物,以及一種用於安定一或多種減毒活黃病毒屬(flaviviruses)之方法。(無元件符號說明)